CN205035181U - Contain heavy metal and high ammonia -nitrogen concentration effluent treatment plant - Google Patents
Contain heavy metal and high ammonia -nitrogen concentration effluent treatment plant Download PDFInfo
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- CN205035181U CN205035181U CN201520613369.XU CN201520613369U CN205035181U CN 205035181 U CN205035181 U CN 205035181U CN 201520613369 U CN201520613369 U CN 201520613369U CN 205035181 U CN205035181 U CN 205035181U
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- denitrogenation
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Abstract
The utility model relates to a contain heavy metal and high ammonia -nitrogen concentration effluent treatment plant, including equalizing basin, elevator pump, denitrogenation sedimentation tank, ammonia recovery tower, vapor heat exchanger, air -blower, denitrifier charge device, the equalizing basin passes through the pipeline and the elevator pump links to each other with the denitrogenation sedimentation tank, the left side of denitrogenation sedimentation tank is equipped with vapor heat exchanger, and the top is equipped with denitrifier charge device, and the bottom is equipped with the air -blower, and pipeline and ammonia recovery tower continuous (b) are passed through to the right side. (B, ) the utility model discloses machinery degree of automation is high, and area is little, and it is effectual to get rid of the pollutant.
Description
Technical field
The utility model relates to Industrial Wastewater Treatment, particularly relate to a kind of can effectively to the wastewater treatment equipment processed containing heavy metal and high ammonia-nitrogen wastewater.
Background technology
Chemical industry and hydrometallurgy industry is mainly derived from containing heavy metal and high ammonia-nitrogen wastewater, for the waste water discharged in production technique, wherein contain the ammonia nitrogen of the heavy metals such as copper, Cobalt, nickel, vanadium and 1-50g/L, as caused very large pollution without effectively processing discharge by water body environment.
Prior art process is generally method of fractional steps process containing heavy metal and high ammonia-nitrogen wastewater, after adopting first flocculation sediment, the last biochemical method of ammonia still process processes, first process with adding alkalization flocculent precipitation heavy metal, then ammonia still is carried out to high ammonia nitrogen and carry out ammonia still process process, then biochemical treatment is carried out to waste water after ammonia still process process and remove remaining ammonia nitrogen, but still also have a certain amount of metal ion in the waste water of employing the method process, do not reach the standard of discharge, and heavy metal ion in waste water and ammonia nitrogen element have use value mostly, and there is flow process complexity in this treatment process, installations and facilities investment is large, running cost is high, floor space is large, the shortcomings such as Operation and Maintenance is complicated.
In line with valuable material in addition treatment for reuse in decreasing pollution, utilization of waste material and cost-saving principle reply waste water; therefore safer, economic, to be applicable to contain ammonia nitrogen and effluent containing heavy metal ions efficiently process recovery technology is developed; realize the recycling of trade effluent; refuse zero release up to standard, has important strategic importance and realistic meaning to environment protection, the raising standard of living of the people and the development of enterprise.
Utility model content
The purpose of this utility model overcomes the deficiencies in the prior art, provides
oneplant containing heavy metal and high ammonia-nitrogen wastewater treatment unit.
To achieve these goals, the utility model adopts following technical scheme:
oneplant containing heavy metal and high ammonia-nitrogen wastewater treatment unit, comprise equalizing tank, lift pump, denitrogenation settling tank, Ammonia recovery tower, vapor heat exchanger, gas blower, denitrfying agent chemicals dosing plant, described equalizing tank is connected with denitrogenation settling tank by pipeline and lift pump, and the left side of described denitrogenation settling tank is provided with vapor heat exchanger.Described vapor heat exchanger is connected with described denitrogenation settling tank by pipeline, and the top of described denitrogenation settling tank is provided with denitrfying agent chemicals dosing plant, and the bottom of described denitrogenation settling tank is provided with gas blower, and the right side of described denitrogenation settling tank is connected with Ammonia recovery tower by pipeline
.
Further, described equalizing tank is provided with PH adjusting apparatus, described PH adjusting apparatus includes Controlling System, pH value detection probe, acid solution ram pump, alkali lye ram pump, described pH value detection probe to be located in equalizing tank and to be connected with described Controlling System by wire, described Controlling System output terminal is connected with acid solution ram pump, alkali lye ram pump, and described acid solution ram pump and described alkali lye ram pump are located at the top of equalizing tank.
The technique effect that the utility model produces:
1, the left side of denitrogenation settling tank described in the utility model is provided with vapor heat exchanger, can make to realize heat exchange between the two, makes denitrogenation settling tank remain on about 50 DEG C, makes denitrfying agent react better, thus reaches better denitrogenation processing effect.
2, equalizing tank described in the utility model is provided with PH adjusting apparatus, described PH adjusting apparatus monitors pH value at any time by the pH value detection probe in pond, then acid solution ram pump, the action of alkali lye ram pump is controlled by Controlling System, according to the pH value in the sewage quantity equalizing tank in practical adjustments hydrolytic tank, make, in adjustment hydrolytic tank, better hydrolytic action to occur.
3, the utility model is for conventional processing apparatus, flow process is simpler, mechanical automation degree is high, floor space is little, removal pollutent is effective, and fixed investment is saved, and the equipment simplified can ensure treatment effect, again can investment reduction cost greatly, and equipment running cost also reduces greatly.
Accompanying drawing explanation
Fig. 1 is the novel structural representation of this reality.
In accompanying drawing: 1-equalizing tank, 2-lift pump, 3-denitrogenation settling tank, 4-Ammonia recovery tower, 5-Controlling System, 6-pH value detection probe, 7-acid solution ram pump, 8-alkali lye ram pump, 9-vapor heat exchanger, 10-denitrfying agent chemicals dosing plant, 11-gas blower.
Embodiment
Show below in conjunction with accompanying drawing, the utility model is elaborated further.
oneplant containing heavy metal and high ammonia-nitrogen wastewater treatment unit, comprise equalizing tank 1, lift pump 2, denitrogenation settling tank 3, Ammonia recovery tower 4, vapor heat exchanger 9, gas blower 11, denitrfying agent chemicals dosing plant 10.
Equalizing tank 1 is provided with PH adjusting apparatus, described PH adjusting apparatus includes Controlling System 5, pH value detection probe 6, acid solution ram pump 7, alkali lye ram pump 8, described pH value detection probe 6 to be located in equalizing tank 1 and to be connected with described Controlling System 5 by wire, described Controlling System 5 output terminal is connected with acid solution ram pump 7, alkali lye ram pump 8, and described acid solution ram pump 7 and described alkali lye ram pump 8 are located at the top of equalizing tank 1.PH value detection probe 6 monitors pH value at any time, then controls acid solution ram pump 7, alkali lye ram pump 8 action by Controlling System 5, according to the pH value in the sewage quantity equalizing tank 1 in practical adjustments hydrolytic tank, makes, in adjustment hydrolytic tank, better hydrolytic action to occur.
Equalizing tank 1 is connected with denitrogenation settling tank 3 by pipeline, lift pump 2.The left side of denitrogenation settling tank 3 is provided with vapor heat exchanger 9, and described vapor heat exchanger 9 is connected with described denitrogenation settling tank 3 by pipeline.The top of denitrogenation settling tank 3 is provided with denitrfying agent chemicals dosing plant 10, and the bottom of denitrogenation settling tank 3 is provided with gas blower 11, and the right side of denitrogenation settling tank 3 is connected with Ammonia recovery tower 4 by pipeline.Denitrfying agent is added with denitrfying agent chemicals dosing plant 10, and open vapor heat exchanger 9, the water reuse steam heating in denitrogenation settling tank 3 is made to control at about 50 DEG C, open gas blower 11 simultaneously and carry out air blast stripping ammonia nitrogen, after continuous service 2 to 3 hours (the concrete time is determined according to ammonia-nitrogen content), ammonia nitrogen in waste water is reduced to below 15mg/L, leave standstill and discharge supernatant liquid after one hour, heavy metal precipitation is in base sludge, water outlet reaches emission request, and base sludge is regularly drawn into sludge treating system process by sludge pump.Then the ammonia nitrogen of stripping effusion recycles through water or diluted acid spray-absorption in ammonia nitrogen recovery tower.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.The all available prior art of each integral part not clear and definite in the present embodiment is realized.
Claims (2)
1.
oneplant containing heavy metal and high ammonia-nitrogen wastewater treatment unit, it is characterized in that: it comprises equalizing tank, lift pump, denitrogenation settling tank, Ammonia recovery tower, vapor heat exchanger, gas blower, denitrfying agent chemicals dosing plant, described equalizing tank is connected with denitrogenation settling tank by pipeline and lift pump, the left side of described denitrogenation settling tank is provided with vapor heat exchanger, described vapor heat exchanger is connected with described denitrogenation settling tank by pipeline, the top of described denitrogenation settling tank is provided with denitrfying agent chemicals dosing plant, described denitrogenation settling tank bottom be provided with gas blower, the right side of described denitrogenation settling tank is connected with Ammonia recovery tower by pipeline
.
2. according to claim 1
oneplant containing heavy metal and high ammonia-nitrogen wastewater treatment unit, it is characterized in that: described equalizing tank is provided with PH adjusting apparatus, described PH adjusting apparatus includes Controlling System, pH value detection probe, acid solution ram pump, alkali lye ram pump, described pH value detection probe to be located in equalizing tank and to be connected with described Controlling System by wire, described Controlling System output terminal is connected with acid solution ram pump, alkali lye ram pump, and described acid solution ram pump and described alkali lye ram pump are located at the top of equalizing tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520613369.XU CN205035181U (en) | 2015-08-15 | 2015-08-15 | Contain heavy metal and high ammonia -nitrogen concentration effluent treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520613369.XU CN205035181U (en) | 2015-08-15 | 2015-08-15 | Contain heavy metal and high ammonia -nitrogen concentration effluent treatment plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205035181U true CN205035181U (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520613369.XU Active CN205035181U (en) | 2015-08-15 | 2015-08-15 | Contain heavy metal and high ammonia -nitrogen concentration effluent treatment plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205035181U (en) |
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2015
- 2015-08-15 CN CN201520613369.XU patent/CN205035181U/en active Active
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| C14 | Grant of patent or utility model | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: 1636, room 410016, South East time zone, 38 Renmin Road, Hunan, Changsha Patentee after: Hunan first Environmental Technology Co., Ltd. Address before: 1636, room 410016, South East time zone, 38 Renmin Road, Hunan, Changsha Patentee before: Hunan Xianke Environmental Protection Co., Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 410205 No. 426, 4th floor, building 004, No. 8, Lutian Road, high tech Development Zone, Changsha, Hunan Patentee after: JEREH ENVIRONMENT ENGINEERING TECHNOLOGY Co.,Ltd. Address before: Room 1636, South Building, Dongyi time zone, No. 38, Renmin Road, Changsha, Hunan 410016 Patentee before: HUNAN XIANRUI ENVIRONMENT TECHNOLOGY CO.,LTD. |